<template>
  <div id="app">
    <table class="tb">
      <tr>
        <th>编号</th>
      <th>名称</th>
      <th>时间</th>
      <th>操作</th>
      </tr>
      <tr v-for="(item,index) in arr" :key="item.id">
        <td>{{item.id}}</td>
        <td>{{item.car}}</td>
        <td>{{item.time}}</td>
        <td>
          <button @click="del(index)">删除</button>
        </td>
      </tr>
      <tr v-if="arr.length === 0">
        <td colspan="4">没有数据啦</td>
      </tr>
    </table>
  </div>
</template>

<script>
export default {
  data(){
    return{
      arr:[{
        id:1,
        car:'奔驰',
        time:'2020-08-01'
      },
      {
        id:2,
        car:'奥迪',
        time:'2020-08-02'
      },
      {
        id:3,
        car:'宝马',
        time:'2020-08-03'
      },
      ]
    }
  },
  methods:{
    del(index){
      this.arr.splice(index,1)
    }
  }
};
</script>

<style>
#app {
  width: 600px;
  margin: 10px auto;
}

.tb {
  border-collapse: collapse;
  width: 100%;
}

.tb th {
  background-color: #0094ff;
  color: white;
}

.tb td,
.tb th {
  padding: 5px;
  border: 1px solid black;
  text-align: center;
}

.add {
  padding: 5px;
  border: 1px solid black;
  margin-bottom: 10px;
}
</style>
